Description
Ultra-precise measurement of heart rate thanks to a photoelectric sensor that changes color according to it Very easy installation: the sensor is easily put on and taken off on the arm thanks to a resistant elastic band Bluetooth 4.0: for an optimized connection to a mobile, a connected watch, a chronograph ANT +: for a connection to a bike computer (iGPSPORT, Garmin, Bryton, Sigma ...) Display of heart rate zones: to ensure visibility in real time on the intensity of your efforts Waterproof: IPX7 you can use it even in rainy weather Autonomy: 20 hours Charge 2.5 hours Micro USB interface SPECIFICATIONS Dimensions: 48x38x12mm Weight 17g Heart rate range of 40 to 240 BPM Wristband length: 376mm (arm circumference 20-34 cm)